What is the current water temperature in Fukuoka?

Q: What is the current water temperature in Fukuoka?

As of now, in Fukuoka, the water temperature is 19.2°C. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool.

Japan > Fukuoka

Water temperature in Fukuoka

Detailed information about the current water temperature in Fukuoka. The trend over the last two weeks, daily averages, and precise forecast of the water temperature changes. Gain a deeper understanding of seasonal dynamics with monthly statistical analyses covering recent years.

66.6

°F

May 30, 13:49

Trend:

stable

Yesterday:

66.6°F

Tomorrow:

66.7°F

Sunrise:

05:10

Sunset:

19:22

Day Length:

14 h. 12 min.

Fukuoka in June

Minimum:

57.5°F

Average:

58.8°F

Maximum:

60.8°F

Sea water temperature in Fukuoka today

As of now, in Fukuoka, the water temperature is 66.6°F. Swimming in water of this temperature is seen as relatively warm and enjoyable for some individuals, although many might find it slightly too cool. Today's reading is 1.5°F lower than the average recorded on this particular day in recent years. The sea temperature remains approximately unchanged from yesterday. According to the forecast, we expect the temperature to rise a bit.

Recent sea temperature and forecast

The water temperature today is above average for the last two weeks, showing a small increase in temperature. It is also close to the historical minimum temperature for this date. The maximum temperature recorded for this date was 70.2°F on 2022, while the historical minimum was 66.2°F on 2023.

latest data

last year

Over the last two weeks, the water temperature has stayed slightly lower than historical averages for those days. The forecast for the upcoming week suggests a gradual increase. The average temperature is expected to rise up to 67.6°F, with minimum temperature starting at 66.7°F, while the maximum might reach 68.1°F.

Daily water temperature in Fukuoka

Date	Current Year actual* / forecast**	last year	10 years average
May 16	64.2°F	66.3°F	65.2°F
May 17	64.2°F	65.0°F	65.3°F
May 18	64.3°F	66.0°F	65.8°F
May 19	64.6°F	68.0°F	66.1°F
May 20	66.0°F	69.2°F	66.5°F
May 21	66.3°F	69.3°F	66.6°F
May 22	66.4°F	68.9°F	66.8°F
May 23	66.4°F	68.6°F	67.2°F
May 24	66.6°F	66.7°F	67.1°F
May 25	66.6°F	68.1°F	67.7°F
May 26	66.7°F	67.6°F	67.9°F
May 27	66.6°F	67.3°F	67.9°F
May 28	66.6°F	67.4°F	68.1°F
May 29	66.6°F	66.1°F	68.1°F
May 30	66.6°F	66.8°F	68.0°F
May 31	66.7°F	67.0°F	68.2°F
Jun 1	67.2°F	68.1°F	68.7°F
Jun 2	67.5°F	69.0°F	68.9°F
Jun 3	67.8°F	69.7°F	69.3°F
Jun 4	68.0°F	68.7°F	69.5°F
Jun 5	68.1°F	68.6°F	69.5°F
Jun 6	68.1°F	68.8°F	69.5°F

* actual - actual temperature values

** forecast - projected values for the next week

Real-time coastal temperatures could deviate by several degrees from the provided readings. These deviations often become evident following intense rainfall or strong winds.

Our forecasting methodology leverages a mathematical model, that uses current water and weather conditions, historical records, wind intensity and direction.

Sea water temperature in Fukuoka by month

In Fukuoka, the months July through September offer comfortable swimming conditions, which amounts to 109 swimming days.

The warmest water in Fukuoka was recorded on August 4, 2024, reaching a 88.2°F. While the coldest temperature occurred on March 10, 2025, dipping to 51.7°F. The average readings by season are 58.5°F in Winter, 60.1°F in Spring, 77.4°F in Summer, and 73.0°F in Autumn.

Popular neighboring cities and resorts

City	Water temperature*	Distance**
Kitakyushu	66.5°F	30mi
Shimonoseki	66.5°F	39mi
Kumamoto	69.9°F	57mi
Nagasaki	69.1°F	66mi

* current water temperature in this city

** straight line distance from Fukuoka